Headphone device



FIG. 1 is a perspective view of an embodiment of a headphone deviceshowing my new design, as viewed from the top and front.

FIG. 2 is a front profile view of the headphone device shown in FIG. 1.

FIG. 3 is a back profile view of the headphone device shown in FIG. 1.

FIG. 4 is a first side profile view of the headphone device shown inFIG. 1.

FIG. 5 is a second side profile view of the headphone device shown inFIG. 1.

FIG. 6 is a top plan view of the headphone device shown in FIG. 1; and,

FIG. 7 is a bottom plan view of the headphone device shown in FIG. 1.

The details shown in broken lines illustrate features that form no partof the claimed design.

CLAIM The ornamental design for a headphone device, as shown anddescribed.